VENTILATION SYSTEM
System Description
OUTLINE
Automatic A/C
The ventilation system is controlled by the A/C switch assembly. For details of the automatic air conditioner system, refer to HAC-10, "System Description".
Manual A/C
The ventilation system is controlled by the front air control. For details of the manual air conditioner system, refer to HAC-118, "System Description".
AIR FLOW
Front
Rear
*1: Air flow is also supplied to front foot until passenger room temperature
stabilizes when temperature setting
is other than 18°C (60°F). At that time, air flowing is the same as 18°C (60°F)
setting.
*2: During automatic defogging control.
P0037, P0038 HO2S2 heater
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0037
HO2S2 HTR (B1)
(HO2S heater control circuit low bank 1
sensor 2)
The current amperage in the heated oxygen sensor 2 heater circuit is
...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
U1000 CAN COMM CIRCUIT
Description
CAN communication allows a high rate of information transmission through the
two communication lines
(CAN-H line and CAN-L line) connecting various control units in the system. Each
control unit transmits/
receives data but selectively reads required data only.
DTC Logic
DTC DET ...